Home / 4,112.66-6,167.54-1,338.82

Finding the Fourth Proportional to 4,112.66, 6,167.54 and 1,338.82

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Solution

The fourth proportional to 4,112.66, 6,167.54 and 1,338.82 is: 2,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.66 : 6,167.54 = 1,338.82 : x
  2. Step 2: Convert to fraction form
    4,112.66/6,167.54 = 1,338.82/x
  3. Step 3: Cross multiply
    4,112.66x = 6,167.54 × 1,338.82
  4. Step 4: Simplify right side
    4,112.66x = 8,257,225.90
  5. Step 5: Solve for x
    x = 8,257,225.90/4,112.66
  6. Step 6: Final answer
    x = 2,007.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.